Lot
446
Lot 446
AN AMSLER PROPORTIONAL POLAR PLANIMETER SERIAL NO. 61937, LA...
1/5
Estimate
£60 - £100
AN AMSLER PROPORTIONAL POLAR PLANIMETER SERIAL NO. 61937, LATE 19TH CENTURY, CASED.
30.5 cms long (Case)
NOTE: Used to calculate the area of an irregular shape and invented by Jakob Amsler-Laffon in 1854.
Closed
Auction Date:
21st Sep 2022
at
10:30am
Fees apply to the hammer price:
Room and Absentee Bids:
30% inc VAT*
Online and Autobids:
33.6% inc VAT*
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Other Lots in this Auction
Sale Dates:
21st Sep 2022 10:30am
(Lots 1 to 619)